If `n` persons are seated on a round table, what is the probability that two named individuals will be neighbours?

Explanation

To find the probability that two named individuals will be neighbors when `n` persons are seated at a round table, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Total Arrangements**:
In a round table arrangement, the total number of ways to arrange `n` persons is given by \((n - 1)!\). This is because one person's position can be fixed to eliminate the circular permutations.

**Hint**: Remember that in circular permutations, fixing one position helps in simplifying the counting.
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